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BOOK EXCERPT:
1. Composite quantum systems. 1.1. Introduction. 1.2. Angular momentum state vectors of a composite system. 1.3. Standard form of the Kronecker direct sum. 1.4. Recoupling matrices. 1.5. Preliminary results on doubly stochastic matrices and permutation matrices. 1.6. Relationship between doubly stochastic matrices and density matrices in angular momentum theory -- 2. Algebra of permutation matrices. 2.1. Introduction. 2.2. Basis sets of permutation matrices -- 3. Coordinates of A in basis [symbol]. 3.1. Notations. 3.2. The A-expansion rule in the basis [symbol]. 3.3. Dual matrices in the basis set [symbol](e, p). 3.4. The general dual matrices in the basis [symbol](e, p) -- 4. Further applications of permutation matrices. 4.1. Introduction. 4.2. An algebra of young operators. 4.3. Matrix Schur functions. 4.4. Real orthogonal irreducible representations of S[symbol]. 4.5. Left and right regular representations of finite groups -- 5. Doubly stochastic matrices in angular momentum theory. 5.1. Introduction. 5.2. Abstractions and interpretations. 5.3. Permutation matrices as doubly stochastic. 5.4 The doubly stochastic matrix for a single system with angular momentum J. 5.5. Doubly stochastic matrices for composite angular momentum systems. 5.6. Binary coupling of angular momenta. 5.7. State vectors : Uncoupled and coupled. 5.8. General binary tree couplings and doubly stochastic matrices -- 6. Magic squares. 6.1. Review. 6.2. Magic squares and addition of angular momenta. 6.3. Rational generating function of H[symbol](r) -- 7. Alternating sign matrices. 7.1. Introduction. 7.2. Standard Gelfand-Tsetlin patterns. 7.3. Strict Gelfand-Tsetlin patterns for [symbol] = (nn-1 ... 21). 7.4. Sign-reversal-shift invariant polynomials. 7.5. The requirement of zeros. 7.6. The incidence matrix formulation -- 8. The Heisenberg magnetic ring. 8.1. Introduction. 8.2. Matrix elements of H in the uncoupled and coupled bases. 8.3. Exact solution of the Heisenberg ring magnet for n = 2,3,4. 8.4. The Heisenberg Ring Hamiltonian : Even n. 8.5. The Heisenberg Ring Hamiltonian : Odd n. 8.6. Recount, synthesis, and critique. 8.7 Action of the cyclic group. 8.8. Concluding remarks
Product Details :
Genre |
: Mathematics |
Author |
: James D. Louck |
Publisher |
: World Scientific |
Release |
: 2011 |
File |
: 381 Pages |
ISBN-13 |
: 9789814350723 |
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BOOK EXCERPT:
This monograph integrates unitary symmetry and combinatorics, showing in great detail how the coupling of angular momenta in quantum mechanics is related to binary trees, trivalent trees, cubic graphs, MacMahon''s master theorem, and other basic combinatorial concepts. A comprehensive theory of recoupling matrices for quantum angular momentum is developed. For the general unitary group, polynomial forms in many variables called matrix Schur functions have the remarkable property of giving all irreducible representations of the general unitary group and are the basic objects of study. The structure of these irreducible polynomials and the reduction of their Kronecker product is developed in detail, as is the theory of tensor operators.
Product Details :
Genre |
: Mathematics |
Author |
: James D. Louck |
Publisher |
: World Scientific |
Release |
: 2008 |
File |
: 642 Pages |
ISBN-13 |
: 9789812814739 |
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BOOK EXCERPT:
This volume continues the series of proceedings of summer schools on theoretical physics which aim at an adequate description of the structure of condensed matter in terms of sophisticated, advanced mathematical tools. This time, the main emphasis is put on the question of whether (and when) the energy bands in solids are continuous. Profs. L Michel, J Zak and others consider the origin, existence and continuity of band structure. Also, some previously discussed problems (magnetic symmetry, flux quantization, statistics, quasicrystals, the Bethe ansatz) are pursued further, and appropriate mathematical tools, rooted in “actions of groups on sets”, are developed.
Product Details :
Genre |
: |
Author |
: Tadeusz Lulek |
Publisher |
: World Scientific |
Release |
: 1999-10-15 |
File |
: 494 Pages |
ISBN-13 |
: 9789814543637 |
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BOOK EXCERPT:
This is the fourth in a series of proceedings of the Combinatorial and Additive Number Theory (CANT) conferences, based on talks from the 2019 and 2020 workshops at the City University of New York. The latter was held online due to the COVID-19 pandemic, and featured speakers from North and South America, Europe, and Asia. The 2020 Zoom conference was the largest CANT conference in terms of the number of both lectures and participants. These proceedings contain 25 peer-reviewed and edited papers on current topics in number theory. Held every year since 2003 at the CUNY Graduate Center, the workshop surveys state-of-the-art open problems in combinatorial and additive number theory and related parts of mathematics. Topics featured in this volume include sumsets, zero-sum sequences, minimal complements, analytic and prime number theory, Hausdorff dimension, combinatorial and discrete geometry, and Ramsey theory. This selection of articles will be of relevance to both researchers and graduate students interested in current progress in number theory.
Product Details :
Genre |
: Mathematics |
Author |
: Melvyn B. Nathanson |
Publisher |
: Springer Nature |
Release |
: 2021-08-12 |
File |
: 445 Pages |
ISBN-13 |
: 9783030679965 |
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BOOK EXCERPT:
This collection represents a unique undertaking in scientific publishing to honor Nick Metropolis, the last survivor of the World War II Manhattan Project in Los Alamos. In this volume, some of the leading scientists and humanists of our time have contributed essays related to their respective disciplines, exploring various aspects of future developments in science and society, philosophy, national security, nuclear power, pure and applied mathematics, physics and biology, particle physics, computing, and information science.
Product Details :
Genre |
: Science |
Author |
: Siegfried Hecker |
Publisher |
: Springer Science & Business Media |
Release |
: 2013-12-01 |
File |
: 284 Pages |
ISBN-13 |
: 9781461207771 |
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BOOK EXCERPT:
Proceedings of a high-level conference on discrete mathematics, focusing on group actions in the areas of pure mathematics, applied mathematics, computer science, physics, and chemistry. A useful tool for researchers and graduate students in discrete mathematics and theoretical computer science.
Product Details :
Genre |
: Mathematics |
Author |
: Anton Betten |
Publisher |
: Springer Science & Business Media |
Release |
: 2013-11-09 |
File |
: 358 Pages |
ISBN-13 |
: 9783642594489 |
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BOOK EXCERPT:
In this third volume of his modern introduction to quantum field theory, Eberhard Zeidler examines the mathematical and physical aspects of gauge theory as a principle tool for describing the four fundamental forces which act in the universe: gravitative, electromagnetic, weak interaction and strong interaction. Volume III concentrates on the classical aspects of gauge theory, describing the four fundamental forces by the curvature of appropriate fiber bundles. This must be supplemented by the crucial, but elusive quantization procedure. The book is arranged in four sections, devoted to realizing the universal principle force equals curvature: Part I: The Euclidean Manifold as a Paradigm Part II: Ariadne's Thread in Gauge Theory Part III: Einstein's Theory of Special Relativity Part IV: Ariadne's Thread in Cohomology For students of mathematics the book is designed to demonstrate that detailed knowledge of the physical background helps to reveal interesting interrelationships among diverse mathematical topics. Physics students will be exposed to a fairly advanced mathematics, beyond the level covered in the typical physics curriculum. Quantum Field Theory builds a bridge between mathematicians and physicists, based on challenging questions about the fundamental forces in the universe (macrocosmos), and in the world of elementary particles (microcosmos).
Product Details :
Genre |
: Mathematics |
Author |
: Eberhard Zeidler |
Publisher |
: Springer Science & Business Media |
Release |
: 2011-08-17 |
File |
: 1141 Pages |
ISBN-13 |
: 9783642224218 |
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BOOK EXCERPT:
Product Details :
Genre |
: Combinatorial analysis |
Author |
: K. S. Vijayan |
Publisher |
: |
Release |
: 1984 |
File |
: 418 Pages |
ISBN-13 |
: UOM:39015038999002 |
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BOOK EXCERPT:
This is the first Supplementary volume to Kluwer's highly acclaimed Encyclopaedia of Mathematics. This additional volume contains nearly 600 new entries written by experts and covers developments and topics not included in the already published 10-volume set. These entries have been arranged alphabetically throughout. A detailed index is included in the book. This Supplementary volume enhances the existing 10-volume set. Together, these eleven volumes represent the most authoritative, comprehensive up-to-date Encyclopaedia of Mathematics available.
Product Details :
Genre |
: Mathematics |
Author |
: Michiel Hazewinkel |
Publisher |
: Springer Science & Business Media |
Release |
: 2012-12-06 |
File |
: 595 Pages |
ISBN-13 |
: 9789401512886 |
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BOOK EXCERPT:
Product Details :
Genre |
: Algebra |
Author |
: K. P. Shum |
Publisher |
: |
Release |
: 2020 |
File |
: 498 Pages |
ISBN-13 |
: 9789811215476 |